什麽是水冲器？
The PIK rates range from 1.5 percent up to 2.5 percent in certain years of the maturity.
在贷款期限内，实物券利率范围从1.5%至2.5%浮动。
Shek Pik dense, potential into the cloud table, Yunsan Riverside, birds fly tree.
石壁森森，势入云表，云生峦畔，鸟飞树海。
Novel poly(imino ketone)(PIK) was synthesized via palladium catalyzed polycondensation reaction. The structures of PIK were confirmed by 1H NMR, IR and elemental analysis.
以二溴化芳香酮和芳香二胺为单体，通过钯催化的胺化缩聚反应合成了新型聚合物——聚亚胺酮，其结构经1HNMR，IR和元素分析确认。
Novel poly(imino ketone)(PIK) was synthesized via palladium catalyzed polycondensation reaction. The structures of PIK were confirmed by 1H NMR, IR and elemental analysis.
以二溴化芳香酮和芳香二胺为单体，通过钯催化的胺化缩聚反应合成了新型聚合物——聚亚胺酮，其结构经1HNMR，IR和元素分析确认。
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